Home / 18,746.51-28,119.69-5,598.86

Finding the Fourth Proportional to 18,746.51, 28,119.69 and 5,598.86

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Solution

The fourth proportional to 18,746.51, 28,119.69 and 5,598.86 is: 8,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.51 : 28,119.69 = 5,598.86 : x
  2. Step 2: Convert to fraction form
    18,746.51/28,119.69 = 5,598.86/x
  3. Step 3: Cross multiply
    18,746.51x = 28,119.69 × 5,598.86
  4. Step 4: Simplify right side
    18,746.51x = 157,438,207.55
  5. Step 5: Solve for x
    x = 157,438,207.55/18,746.51
  6. Step 6: Final answer
    x = 8,398.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.